Returns a JSON response of data from our database about the user including their username, uuid, and capes. Also hidden capes and accounts won't show up in the API.
200 OK:
{"username":"Lontalius","uuid":"16353fce0e9c4df6b7241bbcc7222b3e","capes":[{"type":"2015","removed":false}]}
404 Not Found:
{"error":true,"message":"not_found"}